REMOTE DATA ACQUISITION
A simple definition of remote data acquisition is collecting information about a system or a process. The data thus collected is used to study various parameters of a system and the implications it would have on the dependent processes/systems.
The systems that enable supervision of remote processes for data collection are termed remote data acquisition or remote data collection systems. These systems are designed using PCs and other processor-based input/output modules conforming to RS-232 and RS-485 standards.
Almost all the remote data collection systems use a device called a radio data logger. A radio data logger is a device that collects data from distributed processes using wireless technology. It is used in the following applications with acquisition systems:
- Temperature sensors- remote data acquisition
- Pressure sensors and strain gauges
- Flow and speed sensors- remote data acquisition
- Current loop transmitters- remote data acquisition
- Weather and hydrological sensors
- Laboratory analytical instruments
Advantages of remote industrial data collection systems equipped with data loggers are:
- Easy installation
- Low cost of ownership
- Reliability and flexibility
- Lowered risk of electrical faults, lightening surges and other hazardous weather conditions
Remote Data collection is very crucial in process engineering applications. It assists evaluating and improving the efficiency, performance, accuracy, reliability and energy consumption of a system and/or process.
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